JPS5539034B2 - - Google Patents
Info
- Publication number
- JPS5539034B2 JPS5539034B2 JP744131A JP413174A JPS5539034B2 JP S5539034 B2 JPS5539034 B2 JP S5539034B2 JP 744131 A JP744131 A JP 744131A JP 413174 A JP413174 A JP 413174A JP S5539034 B2 JPS5539034 B2 JP S5539034B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
- G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
- H04N7/104—Switchers or splitters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP744131A JPS5539034B2 (enExample) | 1973-12-29 | 1973-12-29 | |
| FI3566/74A FI356674A7 (enExample) | 1973-12-29 | 1974-12-11 | |
| DE19742460327 DE2460327A1 (de) | 1973-12-29 | 1974-12-20 | Alarmvorrichtung |
| FR7442714A FR2256483A1 (en) | 1973-12-29 | 1974-12-24 | Surveillance alarm system for office or apartment blocks - using TV receivers connected to communal antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP744131A JPS5539034B2 (enExample) | 1973-12-29 | 1973-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5099699A JPS5099699A (enExample) | 1975-08-07 |
| JPS5539034B2 true JPS5539034B2 (enExample) | 1980-10-08 |
Family
ID=11576214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP744131A Expired JPS5539034B2 (enExample) | 1973-12-29 | 1973-12-29 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5539034B2 (enExample) |
| DE (1) | DE2460327A1 (enExample) |
| FI (1) | FI356674A7 (enExample) |
| FR (1) | FR2256483A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6319919Y2 (enExample) * | 1980-03-14 | 1988-06-02 | ||
| JPS5986767U (ja) * | 1982-12-01 | 1984-06-12 | 八木アンテナ株式会社 | 共聴用分配器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213719B2 (enExample) * | 1971-11-12 | 1977-04-16 |
-
1973
- 1973-12-29 JP JP744131A patent/JPS5539034B2/ja not_active Expired
-
1974
- 1974-12-11 FI FI3566/74A patent/FI356674A7/fi unknown
- 1974-12-20 DE DE19742460327 patent/DE2460327A1/de active Pending
- 1974-12-24 FR FR7442714A patent/FR2256483A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2256483B1 (enExample) | 1980-07-04 |
| FI356674A7 (enExample) | 1975-06-30 |
| JPS5099699A (enExample) | 1975-08-07 |
| FR2256483A1 (en) | 1975-07-25 |
| DE2460327A1 (de) | 1975-07-03 |